expectedFailure      bool
		existingConfFilename string
		newConfFilename      string
	}{
		{
			name:                 "invalid existing config format (map)",
			expectedFailure:      true,
			existingConfFilename: "invalid-map.conflist",
			newConfFilename:      "istio-cni.conf",
		},
		{
			name:                 "invalid new config format (arr)",
			expectedFailure:      true,